... .CNC machining 3.Material:Brass,tin bronze 4.Be used in auto field Screw1.Material:copper,iron, aluminum , stainless steel ... , oxidation plated.3.Application:the product is widely suplied in hardware,toy,funiture,lighting accessories,home appliances,electronic products,etc.4 ... .CNC manufactry procee.5.Advantages:(1)years' experience in producing.(2)we can supply various products according to the ...